22302425 has 6 divisors (see below), whose sum is σ = 27655038. Its totient is φ = 17841920.

The previous prime is 22302391. The next prime is 22302431. The reversal of 22302425 is 52420322.

It can be written as a sum of positive squares in 3 ways, for example, as 7333264 + 14969161 = 2708^2 + 3869^2 .

It is not a de Polignac number, because 22302425 - 2⁸ = 22302169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22302397 and 22302406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446024 + ... + 446073.

It is an arithmetic number, because the mean of its divisors is an integer number (4609173).

Almost surely, 2^22302425 is an apocalyptic number.

22302425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22302425 is a deficient number, since it is larger than the sum of its proper divisors (5352613).

22302425 is an equidigital number, since it uses as much as digits as its factorization.

22302425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892107 (or 892102 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22302425 is about 4722.5443354192. The cubic root of 22302425 is about 281.4820438917.

Adding to 22302425 its reverse (52420322), we get a palindrome (74722747).

The spelling of 22302425 in words is "twenty-two million, three hundred two thousand, four hundred twenty-five".